﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using jnpic.DBUtility;//Please add references
namespace jnpic.DAL
{
	/// <summary>
	/// 数据访问类:pdatainfo
	/// </summary>
	public partial class pdatainfo
	{
		public pdatainfo()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("pdid", "pdatainfo"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int pdid)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from pdatainfo");
			strSql.Append(" where pdid=@pdid");
			SqlParameter[] parameters = {
					new SqlParameter("@pdid", SqlDbType.Int,4)
			};
			parameters[0].Value = pdid;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(jnpic.Model.pdatainfo model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into pdatainfo(");
			strSql.Append("pid,pname,pnum,pdate,pmark)");
			strSql.Append(" values (");
			strSql.Append("@pid,@pname,@pnum,@pdate,@pmark)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@pid", SqlDbType.Int,4),
					new SqlParameter("@pname", SqlDbType.NVarChar,20),
					new SqlParameter("@pnum", SqlDbType.Int,4),
					new SqlParameter("@pdate", SqlDbType.DateTime),
					new SqlParameter("@pmark", SqlDbType.NVarChar,30)};
			parameters[0].Value = model.pid;
			parameters[1].Value = model.pname;
			parameters[2].Value = model.pnum;
			parameters[3].Value = model.pdate;
			parameters[4].Value = model.pmark;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(jnpic.Model.pdatainfo model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update pdatainfo set ");
			strSql.Append("pid=@pid,");
			strSql.Append("pname=@pname,");
			strSql.Append("pnum=@pnum,");
			strSql.Append("pdate=@pdate,");
			strSql.Append("pmark=@pmark");
			strSql.Append(" where pdid=@pdid");
			SqlParameter[] parameters = {
					new SqlParameter("@pid", SqlDbType.Int,4),
					new SqlParameter("@pname", SqlDbType.NVarChar,20),
					new SqlParameter("@pnum", SqlDbType.Int,4),
					new SqlParameter("@pdate", SqlDbType.DateTime),
					new SqlParameter("@pmark", SqlDbType.NVarChar,30),
					new SqlParameter("@pdid", SqlDbType.Int,4)};
			parameters[0].Value = model.pid;
			parameters[1].Value = model.pname;
			parameters[2].Value = model.pnum;
			parameters[3].Value = model.pdate;
			parameters[4].Value = model.pmark;
			parameters[5].Value = model.pdid;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int pdid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from pdatainfo ");
			strSql.Append(" where pdid=@pdid");
			SqlParameter[] parameters = {
					new SqlParameter("@pdid", SqlDbType.Int,4)
			};
			parameters[0].Value = pdid;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string pdidlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from pdatainfo ");
			strSql.Append(" where pdid in ("+pdidlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public jnpic.Model.pdatainfo GetModel(int pdid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 pdid,pid,pname,pnum,pdate,pmark from pdatainfo ");
			strSql.Append(" where pdid=@pdid");
			SqlParameter[] parameters = {
					new SqlParameter("@pdid", SqlDbType.Int,4)
			};
			parameters[0].Value = pdid;

			jnpic.Model.pdatainfo model=new jnpic.Model.pdatainfo();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public jnpic.Model.pdatainfo DataRowToModel(DataRow row)
		{
			jnpic.Model.pdatainfo model=new jnpic.Model.pdatainfo();
			if (row != null)
			{
				if(row["pdid"]!=null && row["pdid"].ToString()!="")
				{
					model.pdid=int.Parse(row["pdid"].ToString());
				}
				if(row["pid"]!=null && row["pid"].ToString()!="")
				{
					model.pid=int.Parse(row["pid"].ToString());
				}
				if(row["pname"]!=null)
				{
					model.pname=row["pname"].ToString();
				}
				if(row["pnum"]!=null && row["pnum"].ToString()!="")
				{
					model.pnum=int.Parse(row["pnum"].ToString());
				}
				if(row["pdate"]!=null && row["pdate"].ToString()!="")
				{
					model.pdate=DateTime.Parse(row["pdate"].ToString());
				}
				if(row["pmark"]!=null)
				{
					model.pmark=row["pmark"].ToString();
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select pdid,pid,pname,pnum,pdate,pmark ");
			strSql.Append(" FROM pdatainfo ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" pdid,pid,pname,pnum,pdate,pmark ");
			strSql.Append(" FROM pdatainfo ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM Vpdatainfo ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.pdid desc");
			}
			strSql.Append(")AS Row, T.*  from Vpdatainfo T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "pdatainfo";
			parameters[1].Value = "pdid";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

